Enjoy your coffee or tea with precise heat every time with this Ember Smart Temperature Control Mug2. Set your desired temperature between 50 to 62.5 degrees Celsius and this smart mug will retain the heat of your coffee, tea, or other drink for up to 1.5 hours, or all day on the charging coaster. | Ember 414ml (14 oz.) Smart Temperature Control Mug 2 - Black